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Math/Memory not working

Question asked by iss_matrix on Mar 16, 2009
Latest reply on Apr 8, 2009 by dgun
Hello all,

I have a problem with my Math Memory function in the 8361A Network Analyzer. The Problem occurs only in the Format of the linear magnitude. So I have a Power Splitter from whom I want to measure the Reflection on the Output ports.

Measuredescription:

First I measure the Trace S21, this trace is saved in the Memory function.
After that I have to measure S11 and this Trace (DATA) is subtracted from the MEMORY.

If this happens the results are unreproducible. Up to a frequency the subtraction is successful, but then the value goes steeply upward.

I would be glad if someone could help me.

Thanks in advance.

Sincerely yours

Matrix  

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